Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/16/2019
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 02/17/2019 18:22:37 68.99, -97.87 80.87 02/17/2019 18:23:46 68.89, -96.53 80.71 54.78 69
2 02/17/2019 19:13:07 -68.27, 70.41 99.89 02/17/2019 19:13:25 -68.28, 70.36 99.89 1.97 18
3 02/17/2019 20:03:51 68.14,-122.12 79.96 02/17/2019 20:02:52 68.16,-122.13 79.99 2.81 59
4 02/20/2019 10:39:20 68.41, 18.69 79.31 02/20/2019 10:40:24 68.39, 18.74 79.28 2.73 64
5 02/20/2019 11:30:00 -68.22,-173.76 100.90 02/20/2019 11:29:55 -68.24,-173.81 100.88 2.78 5
6 02/20/2019 12:20:38 67.77, -5.88 78.62 02/20/2019 12:19:27 67.84, -6.64 78.72 32.83 71
7 02/23/2019 02:56:13 68.36, 134.52 78.29 02/23/2019 02:56:54 68.34, 134.56 78.26 2.42 41
8 02/23/2019 03:46:53 -68.18, -57.92 101.92 02/23/2019 03:46:25 -68.19, -57.99 101.90 3.43 28
9 02/25/2019 18:22:37 -69.24, 81.80 101.77 02/25/2019 18:23:44 -69.14, 83.79 101.94 79.32 67
10 02/25/2019 19:13:05 68.32,-109.64 77.25 02/25/2019 19:13:23 68.30,-109.62 77.23 2.39 18
11 02/25/2019 20:03:46 -68.18, 57.85 102.90 02/25/2019 20:02:53 -68.21, 57.90 102.88 3.37 53
12 02/28/2019 10:39:14 -68.40,-161.28 103.66 02/28/2019 10:40:26 -68.38,-161.29 103.69 2.18 72
13 02/28/2019 11:29:58 68.27, 6.19 76.20 02/28/2019 11:29:53 68.25, 6.20 76.18 2.57 5
14 02/28/2019 12:20:37 -68.03, 173.81 104.07 02/28/2019 12:19:25 -68.05, 173.60 104.04 9.27 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/16/2019
SNOs_Map_NPP_TERRA_20190216.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/16/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service